Former UK Prime Ministers David Cameron and Theresa May both lobbied the Bahraini government on behalf of Petrofac, whose co-founder is a major Conservative donor.

The environmental protest group has said it wants to highlight the role of the City of London in financing fossil fuels around the world.

Brendan Clarke-Smith has “no credibility” on climate change after “conflict of interest” is revealed, say critics.

New pipelines could help Canada export more tar sands, boosting the bottom lines of Alberta’s oil producers. But experts warn that Canada is charting a ‘path to climate crisis.’

Climate campaigners are set to descend on the City of London for two weeks, starting on Monday.

Alongside the broad church of earnest opposition, disparate political interests adopted a series of talking points against the schemes for their own gain.

The UK's Scotland Minister David Duguid has been criticised over “nonsense” remarks about the proposed new Cambo oilfield, ahead of a meeting with co-owner Siccar Point Energy.

Environmentalists raise concern that a senior policy manager for the biomass producer may have had input on UK climate policy.

"The alarm bells are deafening, and the evidence is irrefutable: greenhouse gas emissions from fossil fuel burning and deforestation are choking our planet and putting billions of people at immediate risk."

The IPCC is getting ready to release its first big update on the state of the global climate since 2013. Get up to speed on the process and why it matters.